AlexanderForbes Irvine, 19th of Drum was born on 10 January 1777.1 He was the son of AlexanderIrvine, 18th of Drum and JeanForbes.2 He married MargaretHamilton, daughter of JamesHamilton, in 1816.1 He died in 1861.1 He was given the name of Alexander Irvine at birth.1 After 1786 his name was legally changed to Alexander Forbes Irvine having succeeded through his mother to Schivas.1